Filtrete Advanced Under Sink Quick Change Water Filtration Filter, 6 Month Filter, Reduces Microbial Cysts, 0.5 Microns Sediment and Chlorine Taste & Odor, (3US-PF01) Healthy Living water filtraton reduces microbial cysts, chlorine taste & odor, sand, soil, rust, and sediment 1/4 turn change filter replacement that lasts 6 months or 2,000 gallons Maintains water flow rate from your faucet NSF certified Standard 53 and 42 Consider an upgrade to the Filtrete Maximum Under Sink Filter for 99.3% Lead Reduction